Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoi dan chat snippets" » "hoi dan code snippets", "hoi van chat snippets", "hoi dan chan snippets", "hoi ban chat snippets", "hoa dan chat snippets", "hoc dan chat snippets", "hoi dap chat snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("hoi dan chat snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoi dan chat snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hoi dan chat snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi dan chat snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.